Gaya APA
Mann, R., Jones, H. (2001).
Stepping forward Jilid 3: Normal (academic) .
Surakarta:
SNP Pan Publishing.
Gaya MLA
Mann, Robyn., Jones, Heather.
"Stepping forward Jilid 3: Normal (academic)".
Surakarta:
SNP Pan Publishing,
2001.
Buku Penunjang.